Martins, M., Ferreira, A., & Vales, C. (2005). PCB composition in flood material and sediments from the Guadiana River estuary. Iniversidad Autónoma de Baja California.
استشهاد بنمط شيكاغوMartins, M., AM Ferreira, و C. Vales. PCB Composition in Flood Material and Sediments From the Guadiana River Estuary. Iniversidad Autónoma de Baja California, 2005.
MLA استشهادMartins, M., AM Ferreira, و C. Vales. PCB Composition in Flood Material and Sediments From the Guadiana River Estuary. Iniversidad Autónoma de Baja California, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.